Anthony all the way. He would enjoy food more, rather than just keeping his mouth wide open and pretending to know about food (:cough cough GIADA cough cough). Plus he always tries something different, and I like that about food. Not just pastas and pork.

...Jamie AND Nigela!
I watch Giada voraciously, I've read all Anthony Bourdain's food-related books and think that Alton Brown is what makes the American Iron Chef better than the original, BUT... I gotta go with Gordon Ramsay.
I'm addicted to "The F Word" and this sounds cheesy, but I never would have tried to roast meat last Fall for the first time without the confidence boost his show gave me that I could do it.

That's a tough. I like a lot on that list. Bourdain is my pick, Giada a close second, Sara Moulton/Paula Deen are runners-up for third! :-D
Not a big fan of Rachel Ray. Sorry. I've met her....she's comes off nothing like she does on screen. Eh....